Carter, B. L.; McClary, D. G.; Mechor, G. D.; Christmas, R. A.; Corbin, M. J.; Guthrie, C. A. Comparison of 3-, 5-, and 7-Day Post-Treatment Evaluation Periods for Measuring Therapeutic Response to Tilmicosin Treatment of Bovine Respiratory Disease. Bov. pract. 2006, 40, 97-102.